Shuttle-feeler thread cutter



April 17, 1926. 1,666,442

C. H. DRAPE R SHUTTLE FEELER THREAD CUTTER Filed Deo. 18, 1925 2 Sheets-Sheet 2 MM wwf. l

Patented Apr. 17, 1928.

cm1-.in STATES PATENT Aori-acs.

OLAJB-n H knnArnai, i'lf-EDAL)HASSAQUSTTS, Assidiioaiamtzs'iin Asisten- MENTS, To DRAPER CORPORATION, OFH'OPEDALE, MASSACHUSETTS, A CORPORA- TION or ivi/AINE.

snT'TrmEEnm-t mams CUTTER.

Application le'd December The presentinvention relates to anl improvement in shut-tlefeeler thread cutters. The Northrop `Patent No. 1,515,515, dated November 11, 1924, illustrates andL describes a shuttle feeler thread cutter upon which the present invention is an improvement. It has been found with the construction of said patent that at times the thread to be -cut misses presentation to the thread cutter, and the Object of thepresent invention is to kprovide the mechanism with a device for securing certainty of presentation of the filling to the thread cutter. To this end the invention consists in the improvement hereinafterdescribed and particularly defined in the `claims. p

In the accompanying drawings illustrating the preferred form of the invention, Fig. ,l is .a side elevation ofthe hopper and sociated parts of a weft 'replenishing loom,

showingl the application of the threadparting and clamping mechanism thereto, the parts being shownV in the position they occupy as the outgoing thread is about to be severed; and Fig. 2 is a planl of the end of the lay, showing the relative position of the parts at this time. y

In the illustrated embodiment of the'invention the hopper 10, the transfer mechanism and all of the parts illustrated are the same as in the mechanism illustrated and described in said patent. The thread cutting and clamping mechanism` indicated in a general way by the reference character C, is mounted on the shutt-le feeler F, and operates as described in said patent. The breast beam 12 supports' the mechanism in the usual manner. The lay QA is of the form illustrated in said patent. In said patent the lay was provided with a groove 30 to permit the movement of the shuttle feeler past the front upper corner of the lay beam without engagement therewith.

It has been found that with the mechanism of said patent in Operation it sometimes occurred that the outgoing thread T intended to he severed by the thread cut-ter, was too high and failed to enter between the blades of the thread cutter. In order to prevent such operation, according to the present invention t-he loom is provided with a thread depressor 40 mounted on the breast beam, being, preferably, pivotally mounted at 41 upon a bracket 42, bolted on the rear 18,1925. seriai No. 76,2043.

flange 43 of the breast bea-ni This thread .it

depressor is located at the inner end of the shuttle box, and extends between the shuttle box and thereed as `the lay beats up. The inclined end of the thread dcpressor is adapted to engage the wweft extending from the selvage tothe spent bobbin, and during the last portion of the forward movement of the lay it'engages theV thread and depresses it and presents it accurately tothe thread cutter, (which moves between the end of the shuttle and the depressor), and thus it prevents the thread from passing over the upper knife of the cutter and securing greater certainty of operation of the thread cutter. The thread depressor is normally stationary. In its preferred form its pivotal connection to its support permits it to be thrown forwardly. In the event that an improperly boxed shuttle should strike it, the upwardly extended rear end of the depressor would be engaged by the shuttle, and swing the depressor upwardly out of the way so that it would notn be broken or injured by striking the shuttle. The device is simple in the extreme, and tends to secure certainty of operation of the thread cutter.

Having thus described the invention, what is claimed is:

1. In a weft replenishing loom, the combination ofY the lay, a shuttle feeler provided with a thread severing device, and a thread depressor pivotally mounted independently of the shuttle feeler on a stationary part of the loom in front of the lay and extending rearwardly to normally engage and depress the thread on each alternate beat-up move- :nent of the lay that the normal action of the thread depressor may serve to position the thread for the shuttle feeler severing` deiice on the occurrence of replenishment of we t.

2. In a Wett replenishingl loom, the combination of the lay, a shuttle feeler provided With a thread severing device, a thread depressor yieldingly mounted on the breast.

. nation o'l a sluittlc eeler provided with a thread severingdevice, a thread depressor mounted onthe loom frame in position to normally engage and depress the thread upon the surface of the lay between the Warp and bobbin on Vcach alter` ate beat-up movement ot the lay, and yielding` supportingmeans lor the thread depressor for perinitting` the depressor to yield from its normally supported position when struck by an improper-ly boned shuttle.

k4. In a weft replenishing loom, the combination ot a shuttle ifeeler provided with a thread severingdevice, a thread depressor having an upvf'ardl-y inclined rear end and mounted on the loom frame in position to normally engage and depress the thread upon the surface of the lay between the Warp and loobbin on veachalternate beat-up movement of the lay, and yielding supporting means vfor the thread depressor for permitting the depressor to yield from its normally f-anfiported position When struck by an impr perly boxed shuttle.

ln a Wettreplenisl'iing; loom, the combination oit the lay, a shuttle eeler provided with a thread severing device, and a thread dcpressor constituted as a strip of metal mounted on the loom trame in 'liront of the lay and extending rearwardly in normal position to engage the'thread above the lay on each alternate beat-up movement of the lay, the rear (nini-ctiI the dep essor being inclined upwardly to pass above the thread roarivardly oit the reedv to insure depression ot the thread onto the lay surface as the lay nieves irontivnrdly.y

ln a werft ropleniShingloom, the combination oi the' lay, a shuttle eeler provided with a thread severing device, and a thread depressorconstituted as a strip of metal pivoally mounted `on the loom iframe in liront of thelay and extending rearwardly in normal position to engage the thread above the lay on each alternate heat-up movement ot the lay, the rear end of the depressor being inclined upwardly to pass above the thread rearwardly oli the reed toinsur-e depression ot' the thread onto the lay surface as the lay moves lfrontwardly. 4

ln testimony 'Whereoi Ihave'signed my name to this specification.

CLARE H. DRAPER. 

